path: root/quantum/quantum.c

/* Copyright 2016-2017 Jack Humbert
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "quantum.h"

#if !defined(RGBLIGHT_ENABLE) && !defined(RGB_MATRIX_ENABLE)
	#include "rgb.h"
#endif

#ifdef PROTOCOL_LUFA
#include "outputselect.h"
#endif

#ifndef BREATHING_PERIOD
#define BREATHING_PERIOD 6
#endif

#include "backlight.h"
extern backlight_config_t backlight_config;

#ifdef FAUXCLICKY_ENABLE
#include "fauxclicky.h"
#endif

#ifdef API_ENABLE
#include "api.h"
#endif

#ifdef MIDI_ENABLE
#include "process_midi.h"
#endif

#ifdef VELOCIKEY_ENABLE
#include "velocikey.h"
#endif

#ifdef HAPTIC_ENABLE
    #include "haptic.h"
#endif

#ifdef ENCODER_ENABLE
#include "encoder.h"
#endif

#ifdef AUDIO_ENABLE
  #ifndef GOODBYE_SONG
    #define GOODBYE_SONG SONG(GOODBYE_SOUND)
  #endif
  #ifndef AG_NORM_SONG
    #define AG_NORM_SONG SONG(AG_NORM_SOUND)
  #endif
  #ifndef AG_SWAP_SONG
    #define AG_SWAP_SONG SONG(AG_SWAP_SOUND)
  #endif
  float goodbye_song[][2] = GOODBYE_SONG;
  float ag_norm_song[][2] = AG_NORM_SONG;
  float ag_swap_song[][2] = AG_SWAP_SONG;
  #ifdef DEFAULT_LAYER_SONGS
    float default_layer_songs[][16][2] = DEFAULT_LAYER_SONGS;
  #endif
#endif

static void do_code16 (uint16_t code, void (*f) (uint8_t)) {
  switch (code) {
  case QK_MODS ... QK_MODS_MAX:
    break;
  default:
    return;
  }

  if (code & QK_LCTL)
    f(KC_LCTL);
  if (code & QK_LSFT)
    f(KC_LSFT);
  if (code & QK_LALT)
    f(KC_LALT);
  if (code & QK_LGUI)
    f(KC_LGUI);

  if (code < QK_RMODS_MIN) return;

  if (code & QK_RCTL)
    f(KC_RCTL);
  if (code & QK_RSFT)
    f(KC_RSFT);
  if (code & QK_RALT)
    f(KC_RALT);
  if (code & QK_RGUI)
    f(KC_RGUI);
}

static inline void qk_register_weak_mods(uint8_t kc) {
    add_weak_mods(MOD_BIT(kc));
    send_keyboard_report();
}

static inline void qk_unregister_weak_mods(uint8_t kc) {
    del_weak_mods(MOD_BIT(kc));
    send_keyboard_report();
}

static inline void qk_register_mods(uint8_t kc) {
    add_weak_mods(MOD_BIT(kc));
    send_keyboard_report();
}

static inline void qk_unregister_mods(uint8_t kc) {
    del_weak_mods(MOD_BIT(kc));
    send_keyboard_report();
}

void register_code16 (uint16_t code) {
  if (IS_MOD(code) || code == KC_NO) {
      do_code16 (code, qk_register_mods);
  } else {
      do_code16 (code, qk_register_weak_mods);
  }
  register_code (code);
}

void unregister_code16 (uint16_t code) {
  unregister_code (code);
  if (IS_MOD(code) || code == KC_NO) {
      do_code16 (code, qk_unregister_mods);
  } else {
      do_code16 (code, qk_unregister_weak_mods);
  }
}

void tap_code16(uint16_t code) {
  register_code16(code);
  #if TAP_CODE_DELAY > 0
    wait_ms(TAP_CODE_DELAY);
  #endif
  unregister_code16(code);
}

__attribute__ ((weak))
bool process_action_kb(keyrecord_t *record) {
  return true;
}

__attribute__ ((weak))
bool process_record_kb(uint16_t keycode, keyrecord_t *record) {
  return process_record_user(keycode, record);
}

__attribute__ ((weak))
bool process_record_user(uint16_t keycode, keyrecord_t *record) {
  return true;
}

void reset_keyboard(void) {
  clear_keyboard();
#if defined(MIDI_ENABLE) && defined(MIDI_BASIC)
  process_midi_all_notes_off();
#endif
#ifdef AUDIO_ENABLE
  #ifndef NO_MUSIC_MODE
    music_all_notes_off();
  #endif
  uint16_t timer_start = timer_read();
  PLAY_SONG(goodbye_song);
  shutdown_user();
  while(timer_elapsed(timer_start) < 250)
    wait_ms(1);
  stop_all_notes();
#else
  shutdown_user();
  wait_ms(250);
#endif
#ifdef HAPTIC_ENABLE
  haptic_shutdown();
#endif
// this is also done later in bootloader.c - not sure if it's neccesary here
#ifdef BOOTLOADER_CATERINA
  *(uint16_t *)0x0800 = 0x7777; // these two are a-star-specific
#endif
  bootloader_jump();
}

/* true if the last press of GRAVE_ESC was shifted (i.e. GUI or SHIFT were pressed), false otherwise.
 * Used to ensure that the correct keycode is released if the key is released.
 */
static bool grave_esc_was_shifted = false;

/* Convert record into usable keycode via the contained event. */
uint16_t get_record_keycode(keyrecord_t *record) {
  return get_event_keycode(record->event);
}


/* Convert event into usable keycode. Checks the layer cache to ensure that it
 * retains the correct keycode after a layer change, if the key is still pressed.
 */
uint16_t get_event_keycode(keyevent_t event) {

  #if !defined(NO_ACTION_LAYER) && !defined(STRICT_LAYER_RELEASE)
    /* TODO: Use store_or_get_action() or a similar function. */
    if (!disable_action_cache) {
      uint8_t layer;

      if (event.pressed) {
        layer = layer_switch_get_layer(event.key);
        update_source_layers_cache(event.key, layer);
      } else {
        layer = read_source_layers_cache(event.key);
      }
      return keymap_key_to_keycode(layer, event.key);
    } else
  #endif
    return keymap_key_to_keycode(layer_switch_get_layer(event.key), event.key);
}

/* Main keycode processing function. Hands off handling to other functions,
 * then processes internal Quantum keycodes, then processes ACTIONs.
 */
bool process_record_quantum(keyrecord_t *record) {
    uint16